A/C Signal: Testing and Inspection

1. Connect a voltmeter between terminals 33 and 35 of the injection control unit plug.
2. With A/C OFF, and ignition ON, 0 volts should be available.
3. With A/C in AUTO or BI-LEVEL, battery voltage should be available and compressor clutch should become engaged.
4. If voltages are not correct, repair wiring.